mx-tools dashboard now has a larger interface
mx-tweak provides one-stop spot for simple compositor (Xfce or Compton), panel orientation, and other "tweak" type changes
mx-conky provides a method for doing simple edits to conky files (color changes, etc...)
mx-network-assistant is a general purpose network troubleshooting tool.
mx-iDevice-mounter for helping get iPhone and similar devices mounted in the file manager.
mx-updater (formerly apt-notifer), including new themes available in preferences
the antiX snapshots features via mx-snapshot
updated Nvidia installer tool
Quick-System-Info for quick and easy "inxi -F" system info.

MX Package Installer includes
1) popular applications from the Debian Stable repos;
2) packages brought in from Debian Testing/Sid and properly configured;
3) packages not found in Debian repos at all but pulled from developers' websites or other distro-specific repos and also properly configured.

New art work and icons
many thanks to the artists and contributors who provided the wallpapers, icons, and bootloader screens for this release
antechdesigns, timkb4cq, paul, skiddoo, and ghost67, as well as the papirus-icon-theme developers for making some tweaks for us.
hdpi and xhdpi arc-themes
updated Greybird themes
additional themes provided in MX Package Installer
preconfigured conky display by default
several pre-packaged conky configurations (see Conky-Manager to change and select)

Improved localization
localization of the Thunar custom actions menu (9 languages)
many of the mx-apps now have french translations of their help files.
additional translations of our mx-manual

Note: Testers who installed MX-17 RC1 don't need to reinstall. Re-installation is recommended for people who installed Betas. People who use MX-16.1 or older version will need to reinstall.

So many people have worked on this release. Thank you to all the testers, promoters, content creators, critics, developers, and cheer leaders.

Special thanks to
adrian for managing and updating the mx-apps, including MX-Package Installer
timkb4cq for mx-iDevice-mounter
paul for improving mx-welcome and shepherding mx-packaginstaller's Popular Apps tab
kmathern for checkaptgpg and mx-updater (the app formerly known as apt-notifer)
Old Giza and the Translations crew for keeping our translations up to date (create place to volunteer)
Jerry3904 for the conky config management, as well as the herculean effort of keeping up with documentation and the mx-manual
asqwerth for heading up the Art team and keeping us consistent
richb, Eadwine Rose, chrispop99, skiddoo, entropyfoe, m_pav, tascoast, Gaer Boy, vamsi, and all the other beta testers and commenters
peregrine for keeping our website operating
the package team (stevo, timkb4cp, and mmikeinsantarosa) for the crazy amount of packaging and repo management that has gone into this release (more to come, another great place to volunteer!)
stevo for being pretty much everywhere in this release, from themes, to packages, to behind the scenes update mechanisms and everything in between. Not to mention being our representative on the Debian forums.

our mirror operators (thanks antiX-Dave for coordinating the master rsync)
anticapitalista and BitJam for the antiX integration and build support